Electrochemical cell



FIG. 1 is a top, front, right side perspective view of the electrochemical cell of our new design.

FIG. 2 is a top, rear, left side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an electrochemical cell, as shown and described. 